Document Type : Opinion
. (2015). . Mathematical Culture and Thought, 34(1), 1-5.
. "", Mathematical Culture and Thought, 34, 1, 2015, 1-5.
. (2015). '', Mathematical Culture and Thought, 34(1), pp. 1-5.
, "," Mathematical Culture and Thought, 34 1 (2015): 1-5,
. . An Expository Journal of the Iranian Mathematical Society. 2015;34(1):1-5 (In Persian).
